Jumbospot offset. It turned out I could use my HT with 0.

Jumbospot offset. The more expensive ones have better quality TCXO and can work with zero TX and RX offset settings. I had a rather low amount budgeted so my main factor going into this was price. 5% BER with a -475 offset. Re: RXOffset on a JumboSpot/ChinaSpot by MW0MWZ » Tue May 01, 2018 5:06 pm I can't say I have any experience of the JumboSpot, but that amount of offset seems quite outrageous! Buy Latest Jumbospot UHF VHF UV MMDVM Hotspot For P25 DMR YSF DSTAR NXDN Raspberry Pi Zero 3B + OLED+Metal case +Antenna at Aliexpress for . JumboSpot or Hotspot Pi-Star How do you lower the RF TX power How do you lower the RF TX power I have a Raspberry Pi 3 ( think it is the B version) I purchased a MMDVM hotspot that I need to configure. Oct 16, 2019 · Everything is configured, but the JumboSpot can't receive RF signal I tried DMR, Dstar and C4FM. I've tuned it until I consistently get a less than 1% BER finally ending up around +900 offset. Santa for one, so I can play C4FM Fusion wires-x nodes from the house. No boards are included. Oct 22, 2018 · In this video I set the transmit frequency offset of my duplex JumboSpot board using an HP service monitor and ID-51A+ HT. 3% +/ stabilized signal pass :-) The return is my personal MMDVM hat now as this MMDVM Applying the Offset We next need to apply our offset (in my case +275 Hz) to the main MMDVMHost application running on the Pi-Star. On the JumboSpot board, RX offset and TX offset are indicated : 0 This is a complete video, start to finish, demonstrating how to program your MMDVM hotspot or Jumbospot or any Pi-Star hotspot to get on the air with zero issues using your DMR handheld. 4. to/3vqLIAM and that works great. I have put the 500 offset in RX and TX in MMDVM Host in expert mode, but what is the P25 offset referring to ? Amateur Radio Hotspot VHF & UHF Digital Modes By Rob Robinette K9OJ I use a few Chinese MMDVM_HS_HAT_DUPLEX pi hat + pi3 for all my digital ham radio needs. If you are still increasing/decreasing the offset and the BER keeps going down, then keep going until the BER starts to increase again. Connect JumboSPOT 's AutoAP wifi3. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Feb 5, 2022 · Last Monday I’ve received my DMR ID and I’ve started to connect and configure my AnyTone AT-D878UV II Plus with my Hotspot (hotspot MMDVM jumbospot P25 DMR YSF, bought on Aliexpress <I don’t know if I can put a link here>). Apr 13, 2018 · I have a GD-77 Firmware 3. What I purchased is a cheaper clone, but it should work about the same as it uses the same firmware. You may be able to calibrate the rx and tx offset to get it to hear your radio. But in DMR / Dstar, impossible to be received by the jumbospot. Jun 11, 2023 · MMDVM jumbospot not consistently receiving DMR from ht1 - 8 of 8 1 I have a GD-77 Firmware 3. I have a Icom ID-51A+2, Kenwood TH-D74A, and Jumbospot running a pi0 v 3. The enhanced Nextion© screen has touch areas and has some amazing features you will not find anywhere else. Dec 29, 2019 · Looking for some input here, my jumbospot is driving me crazy. Hardware add (SDA,SCL)R20,R21 Connect stm32 i2c 2 bus to OLED,and raspi. com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the Dec 23, 2019 · Several config questions. Demonstrating how to setup the necessary settings in Pi-Star for WiresXhttp://pi-star. eHam. Includes a 2. 4" Enhanced Nextion Touchscreen. com May 13, 2020 · Look at the BER and write it down along with the RX offset. Jun 2, 2019 · Re: Jumbo Spot RF problem by RC3C » Sun Feb 18, 2024 9:13 am Hi over there. I looked at all the programs but not sure only using in ysf mode. by kv4jw » Thu Aug 06, 2020 12:21 am I'm setting up a new JumboSpot (RPi Zero, MMDVM hat, Pi-Star image) and have a few questions about setup. The About this item Case kit requires assembly. yesterday it returned an offset of 185 but that doesn't work or anywhere near it. It is not simple for the beginner and often some that have been using systems for a while still have errors in their understanding. 8G TF CARD Installed PI-STAR panel support DMR,YSF,P25 mode to QSO with RF To internet OLED Display Feb 5, 2019 · Once you have your offset you have to set it in Pi Star. Very easy to set up and use. 5-inch Nextion screen. Jul 7, 2018 · Around 25% of the problems that I see in people's devices are related to these offset values; 75% of issues relate to radio code-plugs. Buy Raspberry Extended MMDVM Hotspot JumboSpot RPI HAT pi-star 0 offset at Aliexpress for . Amazon. I set it at 1200+ and finally got the Rx to work. Step One: Make sure your board is prepared for a firmware update. Get the best deals for Jumbospot Mmdvm at eBay. Führen Sie mit Ihrem Transceiver eine Testübertragung durch, und zeichnen Sie den BER-Wert auf. I know for MMDVM_HS Hat and Jumbospot boards you need the headers for pins 38 and Hotspot for Yaesu Fusion / DMR which one ? jumbospot, zumspot, shark ???thinking about asking Mrs. How to find your RX -offset with Jumbo Spot, Zumspot, Dvmega and other MMDVM boards (David Little gave me the instructions, I just edited and placed some screens for help. I can attach it to the system board. JumboSpot LED status JumboSpot LED on daughterboard LED status on my Jumbo spot, rev1. Re: RXOffset on a JumboSpot/ChinaSpot by MW0MWZ » Tue May 01, 2018 5:06 pm I can't say I have any experience of the JumboSpot, but that amount of offset seems quite outrageous! I have a GD-77 Firmware 3. Everything is configured, but the JumboSpot can't receive RF signal I tried DMR, Dstar and C4FM. Inside the Pi-Star configuration, head to the Admin Expert menu once again and select MMDVMHost. These hotspots are flooding the market and they work just fine, as a cost effective way to get in to the hotspot scene Buy YAOGREENHAM jumbospot V1. I never had to change the offset at all to get it to work. Here is a video on the Jumbospot running MMDVM Pi-star and how to set it up. com. May 15, 2018 · Little tricks used for adjusting Rx offset on the JumboSpot Modem. The MMDVM or Jumbo Spot allows Hams Jan 14, 2020 · by G0XTL » Sun Jan 19, 2020 10:37 am I have run the calibration many times and it always seems to come up with an offset of around 325. 0-1. New Jumbospot MMDVM HS USB HAT Adapter Board for Windows Linux Android Hotspot DSTAR DMR SKU: MMDVM Adapter Price: $21. 16v and I'm having a hard time trying to find the right RX offset. On the JumboSpot board, RX offset and TX offset are indicated : 0 #hamradio #icom #k0pirHam Radio Basics - It's a Digital Mobile Radio (DMR) with a Multi Mode Digital Voice Modem (MMDVM). The 74 works fine on the Jumbospot, I can change reflectors, have qsos on REF001C/030C as an example. At the time of my purchase, the cheapest option was the Jumbospot purchased as a kit without the Raspberry Pi Zero that controls it. I had the same issue with one of the mmdvm boards. I already have 2x DVMega. net is a Web site dedicated to ham radio (amateur radio). I want to run DMR and YSF for now. I found this document but I am wondering if the code in the steps is valid. Navigieren Sie zur Expertenseite und wählen Sie dann May 2, 2018 · Re: RXOffset on a JumboSpot/ChinaSpot by MW0MWZ » Tue May 01, 2018 5:06 pm I can't say I have any experience of the JumboSpot, but that amount of offset seems quite outrageous! Dec 4, 2018 · I've used 2 dv4mini's, sold one to a buddy who then bought a Zumspot. The board came with a TX offset of -475 and RX offset of -475. I'm currently using -275 but I have to key the radio sometimes several times to get it to work. 17. SHARI PiXX is designed as a kit for construction and use in the amateur radio service by licensed amateur radio operators who can assure that their JumboSpot or Hotspot Pi-Star RF Power Level Hotspot PI-STAR RF Power Level I have a mmdvm open spot and it has a hidden antenna built inside the box. I don't get a lot of free time to play radio, so sometimes is can be weeks before I get chance to implement any suggestions. hamprojects. 5 W 200 meters away! So I got inside the expert menu, and tuned down the "RFLevel" from 100 to 10. Dec 12, 2019 · This is the BER 0. Oct 27, 2018 · Hello all. They can do everything Pi-Star/ WPSD can dish out including Yaesu System Fusion (YSF), DMR, D-STAR, P25, NXDN, M17, POCSAG paging, YSF-to-DMR, YSF-to-NXDN and YSF-to-P25. Please answer what questions you can for me. - Peter Amazon. Mar 20, 2018 · ZUM Spot / MMDVM_HS Hat / Jumbospot Raspberry Pi Zero W Micro SD card >=8gb First thing you'll have to do is solder the headers on the boards. Reviews For: Jumbo Spot RTQ Category: Interfaces, Radio to computer, amp, rotor, coax switch, internet Many different models Zumspot OpenSpot Jumbospot BlueDV I prefer the following: Non-USB Non-Bluetooth I have a GD-77 Firmware 3. STM32_MMDVM_HS HAT Guide. 17 and mmdvmhshat v1. I'm using Pi-Star software running Micro USB power installed JumboSPOT UHF(430-440)+VHF(144-146) (VHF is not the main band, performance reduction)RF extend board. 02 and using a jumbospot firmware 1. I've used the dv4 mini on a raspberry pi with a display kind of a PIA. Went to a DVMega/bluestack but bluetooth range wasn't great. I have been trying to get this MMDVM JumboSpot going for two weeks now. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. 73! Anton aka Tony EL #2102, EL #53698, DMR #2503041, XLX937-B Clubs: RC5C, RY3AAL, NMDXC M1DNS Pi-Star Team Posts: 1497 Joined: Thu Apr 05, 2018 5:30 am Overview SHARI (S A818 H am A llstar R adio I nterface) is a ham construction project designed by N8AR that implements a Raspberry Pi hosted Allstar node using a NiceRF SA818 embedded UHF (420 – 450 MHz) or VHF (144-148 MHz) radio module. I have a GD-77 Firmware 3. Let's jump right into it. Assembly, soldering, and configuration is all done by Robert, (K4WZV). So far very happy with the zumspot. 7 It is in a nice acrylic see thru case with a custom programmed 3. Though I recently returned one of the jumbospot clones because it was as deaf as a brick out the box. 99 Jul 19, 2025 · Jumbo spot chinese type by ZS3PS » Sat Jul 19, 2025 2:55 pm Do I need any setup of 500Hz TX/RX offset on ID-31 transceiver ? If so, please let me know how to do it without buying cloning cable from ICOM. Set DMR Radio Channel and ID CC FREQ5. . 5%. I have found that some of the radios in those mmdvm hats. This wasn't just with DMR but also with YSF/C4FM. Open Your need MODE P25/YSF/DSTAR/NXDN and set server 張貼者： buy insanity workout 於 晚上11:54 5 則 Re: RXOffset on a JumboSpot/ChinaSpot by MW0MWZ » Tue May 01, 2018 5:06 pm I can't say I have any experience of the JumboSpot, but that amount of offset seems quite outrageous! I have a GD-77 Firmware 3. My theory at the moment is that the deviation is a little high on the FT3D. com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. 02. I set both of these offsets in the expert menu. Dec 4, 2018 · [ARCHIVED THREAD] - Hotspot for Yaesu Fusion / DMR which one ? jumbospot, zumspot, shark ??? (Page 1 of 3) Aug 21, 2019 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. How to set Rx/Tx Offset? In the Expert Editor, adjust the RXOffset setting, make a parrot call, and observe the readings. Introduction This document describes in detail, the process to setup and configure an Allstar node using a SHARI by N8AR (www. I really like the external antenna connectors on the Nano-Spot JumboSPOT Quick Start Setup List 1. Essentially it is a tiny low-powered repeater on a single circuit board. It turned out I could use my HT with 0. The JumboSpot© hat board has the latest 2019 version 1. New 1. Jun 10, 2025 · Regardless of simplex or duplex, the offset is 0. I had a 1st Gen SharkRF which was great as well but the price of the Gen 2 not so sure it's worth that. I'm going to check what's wrong with mmdvmcal. We investigated Jumbospot MMDVM HS Dual Hat Duplex UHF VHF Hotspot P25 DMR YSF For Raspberry pi free shipping stores, product reviews, and prices over the last 2 years for you at raspberry-pi. Log in with the default “pi-star” name and password “raspberry”. Home Messages Hashtags ctrl + shift + ? for shortcuts About · Features · Pricing Updates · Terms · Help © 2025 Groups. At the minimum point, you've found the correct offset. I now use a Nano-Spot with +db antennas in my Jeep Commander, mostly with my Yaesu FTM-400D for fusion and Dstar on my ID-51+. It has to do with the timing differences, or lack of timing synchronization between radio and board. Hotspots with lower quality TCXO This customer returned a MMDVM that took me just under 5 minutes to tune at a 1000 offset to get it down to . Was there a sticker on the MMDVM board with the offsets? Hi all, I found a great article about how to find out the offset frequency for a Pi-Star hotspot here: Hi I think the support I've had has been superlative, beyond first class! I believe the problem is down to the radio rather than the jumbospots per se'. This is a JumboSPOT that I purchased to play with. Find more 502, 400103 and 4001 products. It is designed to be a personal duplex hotspot. What do you recommend?https:// Oct 2, 2025 · Jumbospot MMDVM HS Dual Hat Duplex UHF VHF Hotspot P25 DMR YSF For Raspberry pi Sep 30, 2025 · Jumbospot MMDVM HS Dual Hat Duplex UHF VHF Hotspot P25 DMR YSF For Raspberry pi Aug 14, 2019 · Führen Sie die folgenden Schritte aus, um die RXOffset-Einstellung zu optimieren: Navigieren Sie zur Seite „Admin“, und beobachten Sie die Bitfehlerrate in der Spalte „BER“ in der Tabelle „Gateway Activity“ (Gateway-Aktivität). It is also unstable - depending on how long it has been on You might be able to save a couple of bucks by getting a Pi-Star based Jumbospot in kit form. I have my own Demystifying TX and RX offset. Both the 51 and 74 are programmed with DV Repeater, Dup-, and 0. Apr 3, 2024 · The basic Jumbospot (which is actually tiny) has two main components, a Raspberry Pi Zero and an attached MMDVM board known in Pi-speak as a HAT—Hardware Attached on Top. JumboSpot Pi-star Settings JumboSpot Pi-star Settings I have acquired a Jumbo Spot 17 board to try on Pi Star, there is a sticker on it saying RXOFFSET=500 TXOFFSET=500 P25 OFFSET=+200. hamvoip. Not all hotspots are created equal. Please note that connecting the Nextion screen to your JumboSPOT or LoneStar may require additional soldering of pins or wires which is not covered in the case instructions Dec 27, 2022 · This jumbospot I got hears but I can't here it or tramsmit or recieve on my radio. This is done through the expert configuration. I replaced it with https://amzn. Como configurar a perda de pacotes devido ao ajuste de offset no Pi-Star (Jumbospot). I have attached the config and log files. I also recommend soldering the extra two pin header for firmware updates in the future. I have added the offset (+500) and watched several YouTube tutorials on how to set up JumboSpot with no success. MMDVM_HS_HAT_DUPLEX The board has an STM32 microcontroller and two ADF7021 radio microchips. Oct 21, 2018 · Last week I decided to purchase a little board called an MMDVM_HS_HAT_DUPLEX. This RF board sends signals from the Internet to your digital HT, as well as sending your transmitted signal back to the Internet. After some trial and error, you should find an offset that gives the lowest BER. Incoming audio to my md380 is poor and You have Jumbospot, ZUMspot, DVMega, several by SharkRF, DV4mini and Nano-DV just name name a few. Rx was never an issue. Re: RXOffset on a JumboSpot/ChinaSpot by MW0MWZ » Tue May 01, 2018 5:06 pm I can't say I have any experience of the JumboSpot, but that amount of offset seems quite outrageous! Jul 16, 2025 · For the price of Raspberry Pi Zero W raised too much, we made this USB HAT to replace it, this HAT is pin to pin with raspberry pi zero w, connect to MMDVM board. ) Configuration, then Expert and SSH access. Jan 12, 2023 · The basic Jumbospot (which is actually tiny) has two main components, a Raspberry Pi Zero and an attached MMDVM board known in Pi-speak as a HAT—Hardware Attached on Top. Begin with +/-100 offsets, and see how that affects the BER. Find more 509, 50911 and 100001204 products. Tax excluded, add at checkout if applicable. setting according List below4. 1 I plan to share my hotspot with another ham, my YL who is interested in trying out DMR. I found really good tutorial on YouTube about how to configure my AnyTone and my Hotspot DMR. When I transmit I see the Blue DMR & COS LED light on the board, but nothing on the dashboard. This video will show you how to put it together and get the ope Mar 24, 2019 · We would like to show you a description here but the site won’t allow us. Inserting our calculated offset (in Hertz) from the above. 7 Version Simplex MMDVM Jumbospot Hotspot for VHF UHF Pi-Star P25 DMR YSF Jun 16, 2019 · Have an issue I am trying to trouble shoot and need some guidance. How to use a Yaesu FT5D with a Pi-Star Hotspot, the basics. Designed to fit Raspberry Pi 4, 3B+, 3B, 2B, and B+ (not included), and JumboSPOT or N5BOC Lonestar Board. Hey guys! Thanks for watching. You're aiming for a BER of less than 1% preferably less the 0. local/Reflec Jumbospot MMDVM HS Dual Hat Duplex UHF VHF Hotspot P25 DMR YSF For Raspberry pi Setting For Pi-star software and raspberry hardware (rpi 0-3) new pi4b need remove Right Socket Jumbospot Mini MMDVM HS Dual Hat DupleRX TX UHF VHF Hotspot Board Kit P25 DMR YSF for Pi-star Raspberry Pi MMDVM Power Bank Description：Setting For Pi-star software and raspberry hardware (rpi 0-3) new pi4b need remove Right Socket Pi-star General Configuration for MMDVM_DUPLEX Set Controller Mode:DupleRepeater or Simple Radio Frequency : Freq:144-148,219-225,(Main Band)420-475,842-950 Reviews For: Jumbo Spot RTQ Category: Interfaces, Radio to computer, amp, rotor, coax switch, internet Apr 6, 2021 · Have a Chinese jumbospot clone. 6 04/2018. Login and Set wifi Configure input your home ssid and pass3. 99 $47. com). Pequeños trucos para ajustar la compensación de Rx en el módem JumboSpot. This morning I have come in and switched the PC and jumbospot on and a few minutes later the radio. YAOGREENHAM New UHF VHF MMDVM jumbospot hotspot OLED Board Kit Offset is 0 Support P25 DMR YSF for Raspberry pi Dec 30, 2018 · Re: MMDVM HS Dual Hat JumboSpot by W0RMT » Wed Jan 02, 2019 12:48 pm This is a known issue with DMR and the duplex MMDVM boards, and is especially problematic with the Anytone radios. info) and the Allstar image you will download from the HamVOIP website (www. I have an extremely high Rx offset, around the 1600-1900 mark. Has anybody tried swapping the TXCO for a higher quality one to remove the offset and decrease the BER? Jan 17, 2019 · JumboSpot on VHF by KC9DK » Thu Jan 17, 2019 8:24 pm Has anyone had any luck using the 2018 version of JumboSpot on VHF? I know the description says it's compatible but I'm not having any luck finding the correct offsets. Please like & subscribe!__I hoped you enjoyed the video about me setting up YSF & DMR on the PiStar Jumbospot! Let me know if Jumbospot MMDVM HS Dual Hat Duplex UHF VHF Hotspot P25 DMR YSF For Raspberry pi Setting For Pi-star software and raspberry hardware (rpi 0-3) new pi4b need remove Right Socket Pi-star General Configuration for MMDVM_DUPLEX Set Controller Mode:Duplex Repeater or Simple Radio Frequency : Freq:144-148,219-225,(Main Band)420-475,842-950 We make the highest quality communications equipment for amateur and ham radio operators. com Return Policy: You may return any new computer purchased from Amazon. With the software BlueDV, the mmdvm board can work with windows linux android, don't need the expensive raspberry pi. io 4SQRP | DigitalFM Topics Date Date 1 - 4 インストールしたらJumboSpotのモデムのOffsetを変更します。 単体のOffset値はモデム基板の裏に記載されています。 このモジュールですと500で大丈夫です。 あとは、BER値をみながら微調整してください。 私は、500でしたが380で調整しています。 Como configurar o offset e o RPT1 e RPT2 no id-51a pra operar a JumboSpot Re: RXOffset on a JumboSpot/ChinaSpot by MW0MWZ » Tue May 01, 2018 5:06 pm I can't say I have any experience of the JumboSpot, but that amount of offset seems quite outrageous! Mar 22, 2018 · Firmware Updates for Pi Star Supported Boards The newest versions of Pi Star have a utility built in to update the firmware on several boards. This standardization enables radio manufacturers to automatically apply the split / offset when you program a repeater frequency in your amateur radio transceiver. 0 offset. Also did an update on it. I get my generic Chinese MMDVM_HS_HAT_DUPLEX pi hat from aliexpress Apr 7, 2018 · Reviews For: Jumbo Spot RTQ Category: Interfaces, Radio to computer, amp, rotor, coax switch, internet Apr 24, 2018 · Decrease BER % by kc7wsu » Fri Mar 29, 2019 2:41 pm I have an MMDVM_HS and am getting a 1. 3 MMDVM Simplex Duplex RX TX UHF VHF Hotspot OLED Board Kit P25 DMR YSF For Raspberry pi at Walmart. wait to boot 5 minutes connect wifi Pi-star-setup pass raspberry. 4% when no setting RX/TX offset. You'll need to go to your pi-star dashboard, then "Configure" and "Expert" Now click on "MMDVMHost" Scroll down to "Modem" and enter your offset in RXOffset and TXOffset. Only C4FM (with FT70) seems to receive and transmit correctly. Just change the RX offset to see if you can get signal from radio on your HotSpot. Power your JumboSPOT wait 3-4 minutes2. Shop our best-selling products: ZUMspot Kit and MMDVM-Pi boards. She has her own DMR ID. Of course to get the latest features I recommend running the latest firmware. MMDVM OLED screen just shows a floating "MMDVM" or "stopped Dec 4, 2018 · I have the zumspot use it for DMR. I will try going through the offset set up Sep 23, 2025 · The magnitude of the difference between frequencies is referred to as the repeater split or repeater offset, and is standardized within the United States. ka9nzx 7ihjv1h 7d 81vf5d 4bv wbciw wama rp owhnct 7j9d